Finding the Third Proportional to 774,789 and 1,643,364

Step by Step Solution

1. Step 1: Write the proportion equation
   774,789 : 1,643,364 = 1,643,364 : x
2. Step 2: Convert to fraction form
   774,789/1,643,364 = 1,643,364/x
3. Step 3: Cross multiply
   774,789x = 1,643,364 × 1,643,364
4. Step 4: Simplify right side
   774,789x = 2,700,645,236,496
5. Step 5: Solve for x
   x = 2,700,645,236,496/774,789
6. Step 6: Final answer
   x = 3,485,652.53